West Africa's Sierra Leone is a country located on the west coast of Africa. It is bordered by Guinea to the north and east, Liberia to the southeast, and the Atlantic Ocean to the west and southwest. Sierra Leone is known for its tropical climate, diverse wildlife, and rich culture. The country is home to a variety of ethnic groups, including the Mende, Temne, and Limba. Sierra Leone is also known for its diamond industry, which has been a major source of income for the country since the 19th century.